New polymerization method for highly efficient materials in organic electronics

有机电子高效材料的新聚合方法

• 批准号: 430417-2012
• 负责人: Leclerc, Mario
• 金额: $ 3.72万
• 依托单位: Université Laval
• 依托单位国家: 加拿大
• 项目类别: Strategic Projects - Group
• 财政年份: 2014
• 资助国家: 加拿大
• 起止时间: 2014-01-01 至 2015-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=552561
• 关键词: New; polymerization; method; highly; efficient

The last ten years have witnessed significant advances in organic electronics. Unique features such as low-cost manufacturing processes, lightweight, and mechanical flexibility should lead to cheap and efficient printed devices for renewable energy production (solar cells) or electronic devices (transistors). However, the emergence of this important research field is strongly linked to the availability of reliable polymerization methods (i.e. Stille, Suzuki, Heck, etc.) to afford well-defined and reproducible polymeric semiconductors. However, these state-of-the-art methods generally involve organometallic reagents which create metal waste and/or require extra synthetic steps. To solve these problems, greener and cheaper synthetic procedures would be a great asset. Along these lines, we recently developed a new polymerization method called direct heteroarylation. We successfully obtained well-defined, tin-free, and high molecular weight (not attainable with classical procedures) thieno[3,4-c]pyrrole-4,6-dione (TPD)-based copolymers which are among the most important materials for plastic solar cells and field-effect transistors. Following these first promising results, we want to further explore the synthesis of known and new TPD-based copolymers but we also intend to investigate and optimize the synthesis of various other semiconducting polymers. Mechanistic studies will also be performed to better understand and control the selectivity of this new polymerization method. Most polymers will be tested in various types of solar cells and transistors and the most promising ones will be produced on a larger scale by our industrial partner. Overall, this project should lead to highly innovative and unique polymerization methods that should contribute to the implementation of plastic electronics.

过去十年见证了有机电子学的重大进步。独特的特点，如低成本的制造工艺，重量轻，机械灵活性将导致廉价和高效的印刷设备用于可再生能源生产（太阳能电池）或电子设备（晶体管）。然而，这一重要研究领域的出现与可靠的聚合方法（即Stille， Suzuki， Heck等）的可用性密切相关，以提供定义明确且可重复的聚合物半导体。然而，这些最先进的方法通常涉及有机金属试剂，产生金属废物和/或需要额外的合成步骤。为了解决这些问题，更环保、更便宜的合成方法将是一笔巨大的财富。沿着这些思路，我们最近开发了一种新的聚合方法，称为直接异芳基化。我们成功地获得了定义明确、无锡、高分子量（用经典方法无法获得）的噻吩[3,4-c]吡咯-4,6-二酮（TPD）基共聚物，这是塑料太阳能电池和场效应晶体管最重要的材料之一。在这些有希望的结果之后，我们希望进一步探索已知和新的基于tpd的共聚物的合成，但我们也打算研究和优化各种其他半导体聚合物的合成。还将进行机理研究，以更好地了解和控制这种新聚合方法的选择性。大多数聚合物将在各种类型的太阳能电池和晶体管中进行测试，最有前途的聚合物将由我们的工业合作伙伴进行大规模生产。总的来说，这个项目应该导致高度创新和独特的聚合方法，应该有助于实现塑料电子。